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| GS6150 Datasheet, PDF (41/64 Pages) Gennum Corporation – Automatic or Manual Rate Selection | |||
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5. Host Interface Register Map
Table 5-1: Register Descriptions - Standard Address Space
Address Register Name Parameter Name
RSVD
GSPI_LINK_DISABLE
0h
HOST_CONFIG
GSPI_BUS_THROUGH_
ENABLE
RSVD
DEVICE_UNIT_ADDRESS
RSVD
1h
DEVICE_INFO
DEVICE_VERSION_ID
RSVD
GPIO1_IO_SELECT
RSVD
2h
GPIO_CONTROL_
REG_0
GPIO1_SELECT
Bit
Slice
R/W
Reset
Value
Description
15:15 RW
14:14 RW
0h Reserved. Do not change.
0h GSPI loop-through disable.
13:13 RW 0h GSPI bus-through enable.
12:5 RW
4:0 RW
15:8 RO
7:0 RO
15:14 RW
13:13 RW
12:11 RW
10:7 RW
0h Reserved. Do not change.
0h Device address programmed by application.
1h Reserved.
- Device Version Identifier.
0h Reserved. Do not change.
GPIO1 Input/Output Select
0h 0b: Output
1b: Input
0h Reserved. Do not change.
GPIO1 Signal Selection
If GPIO1_IO_SELECT is set to 0:
0000b: LOS
0001b: LOCKED (default)
0010b: LBR_HBR
0011b: Reserved
0100b: Reserved
0101b: RATE_DET0
0110b: RATE_DET1
1h
0111b: RATE_DET2
1000b: LOCKED_125M
1001b: LOCKED_270M
1010b: LOCKED_1G485
1011b: LOCKED_2G97
1100b: LOCKED_5G94
1101b: RATE_CHANGE
GPIO0_IO_SELECT
RSVD
If GPIO1_IO_SELECT is set to 1:
0000b: DDO0_DISABLE
0001b: DDO1_DISABLE
GPIO0 Input/Output Select
6:6
RW
0h 0b: Output
1b: Input
5:4 RW 0h Reserved. Do not change.
GS6150
Final Data Sheet
PDS-060127
Rev.2
March 2015
www.semtech.com
41 of 64
Proprietary & Confidential
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